820222800

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1297}}^1$

素因数の和:1366

約数の個数: 240

約数和(自身を含む): 2873958912

約数和(自身を除く): 2053736112

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 25, 30, 31, 34, 40, 48, 50, 51, 60, 62, 68, 75, 80, 85, 93, 100, 102, 120, 124, 136, 150, 155, 170, 186, 200, 204, 240, 248, 255, 272, 300, 310, 340, 372, 400, 408, 425, 465, 496, 510, 527, 600, 620, 680, 744, 775, 816, 850, 930, 1020, 1054, 1200, 1240, 1275, 1297, 1360, 1488, 1550, 1581, 1700, 1860, 2040, 2108, 2325, 2480, 2550, 2594, 2635, 3100, 3162, 3400, 3720, 3891, 4080, 4216, 4650, 5100, 5188, 5270, 6200, 6324, 6485, 6800, 7440, 7782, 7905, 8432, 9300, 10200, 10376, 10540, 12400, 12648, 12970, 13175, 15564, 15810, 18600, 19455, 20400, 20752, 21080, 22049, 25296, 25940, 26350, 31128, 31620, 32425, 37200, 38910, 39525, 40207, 42160, 44098, 51880, 52700, 62256, 63240, 64850, 66147, 77820, 79050, 80414, 88196, 97275, 103760, 105400, 110245, 120621, 126480, 129700, 132294, 155640, 158100, 160828, 176392, 194550, 201035, 210800, 220490, 241242, 259400, 264588, 311280, 316200, 321656, 330735, 352784, 389100, 402070, 440980, 482484, 518800, 529176, 551225, 603105, 632400, 643312, 661470, 683519, 778200, 804140, 881960, 964968, 1005175, 1058352, 1102450, 1206210, 1322940, 1367038, 1556400, 1608280, 1653675, 1763920, 1929936, 2010350, 2050557, 2204900, 2412420, 2645880, 2734076, 3015525, 3216560, 3307350, 3417595, 4020700, 4101114, 4409800, 4824840, 5291760, 5468152, 6031050, 6614700, 6835190, 8041400, 8202228, 8819600, 9649680, 10252785, 10936304, 12062100, 13229400, 13670380, 16082800, 16404456, 17087975, 20505570, 24124200, 26458800, 27340760, 32808912, 34175950, 41011140, 48248400, 51263925, 54681520, 68351900, 82022280, 102527850, 136703800, 164044560, 205055700, 273407600, 410111400, 820222800]

約数ペア:

[(1, 820222800), (2, 410111400), (3, 273407600), (4, 205055700), (5, 164044560), (6, 136703800), (8, 102527850), (10, 82022280), (12, 68351900), (15, 54681520), (16, 51263925), (17, 48248400), (20, 41011140), (24, 34175950), (25, 32808912), (30, 27340760), (31, 26458800), (34, 24124200), (40, 20505570), (48, 17087975), (50, 16404456), (51, 16082800), (60, 13670380), (62, 13229400), (68, 12062100), (75, 10936304), (80, 10252785), (85, 9649680), (93, 8819600), (100, 8202228), (102, 8041400), (120, 6835190), (124, 6614700), (136, 6031050), (150, 5468152), (155, 5291760), (170, 4824840), (186, 4409800), (200, 4101114), (204, 4020700), (240, 3417595), (248, 3307350), (255, 3216560), (272, 3015525), (300, 2734076), (310, 2645880), (340, 2412420), (372, 2204900), (400, 2050557), (408, 2010350), (425, 1929936), (465, 1763920), (496, 1653675), (510, 1608280), (527, 1556400), (600, 1367038), (620, 1322940), (680, 1206210), (744, 1102450), (775, 1058352), (816, 1005175), (850, 964968), (930, 881960), (1020, 804140), (1054, 778200), (1200, 683519), (1240, 661470), (1275, 643312), (1297, 632400), (1360, 603105), (1488, 551225), (1550, 529176), (1581, 518800), (1700, 482484), (1860, 440980), (2040, 402070), (2108, 389100), (2325, 352784), (2480, 330735), (2550, 321656), (2594, 316200), (2635, 311280), (3100, 264588), (3162, 259400), (3400, 241242), (3720, 220490), (3891, 210800), (4080, 201035), (4216, 194550), (4650, 176392), (5100, 160828), (5188, 158100), (5270, 155640), (6200, 132294), (6324, 129700), (6485, 126480), (6800, 120621), (7440, 110245), (7782, 105400), (7905, 103760), (8432, 97275), (9300, 88196), (10200, 80414), (10376, 79050), (10540, 77820), (12400, 66147), (12648, 64850), (12970, 63240), (13175, 62256), (15564, 52700), (15810, 51880), (18600, 44098), (19455, 42160), (20400, 40207), (20752, 39525), (21080, 38910), (22049, 37200), (25296, 32425), (25940, 31620), (26350, 31128)]